hcq/MaxScale
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MXS-304: Minor refactoring of config.c

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The loading of a single file refactored out into a separate function.
To be used later when multiple files are loaded and processed.
This commit is contained in:
Johan Wikman 2016-10-28 15:05:06 +03:00
parent 5a1af968d2
commit ab372b291b
1 changed files with 49 additions and 34 deletions
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83
server/core/config.c
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@ -268,7 +268,7 @@ char* config_clean_string_list(const char* str)
* @return zero on error
*/
static int
handler(void *userdata, const char *section, const char *name, const char *value)
ini_handler(void *userdata, const char *section, const char *name, const char *value)
{
CONFIG_CONTEXT *cntxt = (CONFIG_CONTEXT *)userdata;
CONFIG_CONTEXT *ptr = cntxt;
@ -352,6 +352,47 @@ handler(void *userdata, const char *section, const char *name, const char *value
return 1;
}
/**
* Load single configuration file.
*
* @param file The file to load.
* @param context The context used when parsing.
*
* @return True if the file could be parsed, false otherwise.
*/
static bool config_load_single_file(const char* file, CONFIG_CONTEXT* context)
{
int rval = -1;
if (!config_has_duplicate_sections(file))
{
if ((rval = ini_parse(file, ini_handler, context)) != 0)
{
char errorbuffer[1024 + 1];
if (rval > 0)
{
snprintf(errorbuffer, sizeof(errorbuffer),
"Failed to parse configuration file. Error on line %d.", rval);
}
else if (rval == -1)
{
snprintf(errorbuffer, sizeof(errorbuffer),
"Failed to parse configuration file. Failed to open file.");
}
else
{
snprintf(errorbuffer, sizeof(errorbuffer),
"Failed to parse configuration file. Memory allocation failed.");
}
MXS_ERROR("%s", errorbuffer);
}
}
return rval == 0;
}
/**
* @brief Load the configuration file for the MaxScale
*
@ -364,15 +405,8 @@ handler(void *userdata, const char *section, const char *name, const char *value
bool
config_load(const char *file)
{
CONFIG_CONTEXT config = {.object = ""};
int ini_rval;
bool rval = false;
if (config_has_duplicate_sections(file))
{
return false;
}
/* Temporary - should use configuration values and test return value (bool) */
dcb_pre_alloc(1000);
session_pre_alloc(250);
@ -380,35 +414,16 @@ config_load(const char *file)
global_defaults();
feedback_defaults();
if ((ini_rval = ini_parse(file, handler, &config)) != 0)
CONFIG_CONTEXT config = {.object = ""};
if (config_load_single_file(file, &config))
{
char errorbuffer[1024 + 1];
config_file = file;
if (ini_rval > 0)
if (check_config_objects(config.next) && process_config_context(config.next))
{
snprintf(errorbuffer, sizeof(errorbuffer),
"Error: Failed to parse configuration file. Error on line %d.", ini_rval);
rval = true;
}
else if (ini_rval == -1)
{
snprintf(errorbuffer, sizeof(errorbuffer),
"Error: Failed to parse configuration file. Failed to open file.");
}
else
{
snprintf(errorbuffer, sizeof(errorbuffer),
"Error: Failed to parse configuration file. Memory allocation failed.");
}
MXS_ERROR("%s", errorbuffer);
return 0;
}
config_file = file;
if (check_config_objects(config.next) && process_config_context(config.next))
{
rval = true;
}
free_config_context(config.next);
@ -446,7 +461,7 @@ config_reload()
config.object = "";
config.next = NULL;
if (ini_parse(config_file, handler, &config) < 0)
if (ini_parse(config_file, ini_handler, &config) < 0)
{
return 0;
}